Home / 56,996.66-78,677.34-51,017.78

Finding the Fourth Proportional to 56,996.66, 78,677.34 and 51,017.78

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Solution

The fourth proportional to 56,996.66, 78,677.34 and 51,017.78 is: 70,424.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.66 : 78,677.34 = 51,017.78 : x
  2. Step 2: Convert to fraction form
    56,996.66/78,677.34 = 51,017.78/x
  3. Step 3: Cross multiply
    56,996.66x = 78,677.34 × 51,017.78
  4. Step 4: Simplify right side
    56,996.66x = 4,013,943,223.11
  5. Step 5: Solve for x
    x = 4,013,943,223.11/56,996.66
  6. Step 6: Final answer
    x = 70,424.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.